Inventor · disambiguated record
Hirofumi Muramatsu
Also filed as: MURAMATSU HIROFUMI
7 granted patents·2 pending applications·31 citations·filing 2002–2016
79Inventor score
Files withOKI ELECTRIC IND CO LTD3ROLAND CORP3MORIOKA KENICHI1NAGAOKA YASUNORI1OKI SEMICONDUCTOR CO LTD1
Top patents by PatentIndex Score
9 records- 0180USD776190SElectronic musical instrument with keyboardROLAND CORP·Filed 2015·Granted Jan 10, 2017·22 cites·1 claims
- 0262US7885720B2Decoder for fast feed and rewindOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Feb 8, 2011·2 cites·6 claims
- 0348US2008183319A1Compressed audio file playerOKI ELECTRIC IND CO LTD·Filed 2008·Application pending·0 cites
- 0446US7032094B2Method of controlling flash memoryOKI ELECTRIC IND CO LTD·Filed 2003·Granted Apr 18, 2006·1 cites·12 claims
- 0545USD740237SPedal switchROLAND CORP·Filed 2014·Granted Oct 6, 2015·5 cites·1 claims
- 0643US8885895B2Fingerprint authentication device and computer readable mediumMORIOKA KENICHI·Filed 2011·Granted Nov 11, 2014·1 cites·10 claims
- 0735US8415051B2Battery storage structure for acoustic equipmentNAGAOKA YASUNORI·Filed 2010·Granted Apr 9, 2013·0 cites·12 claims
- 0832US2017061944A1Electronic musical instrumentROLAND CORP·Filed 2016·Application pending·0 cites
- 0929US6854047B2Data storage device and data transmission system using the sameOKI ELECTRIC IND CO LTD·Filed 2002·Granted Feb 8, 2005·0 cites·14 claims
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